event-notifier: implement `lttng_trigger_needs_tracer_notifier()` function
[lttng-tools.git] / src / common / uri.h
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3a5713da 1/*
ab5be9fa 2 * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
3a5713da 3 *
ab5be9fa 4 * SPDX-License-Identifier: GPL-2.0-only
3a5713da 5 *
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6 */
7
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8#ifndef URI_H
9#define URI_H
3a5713da 10
a4b92340 11#include <netinet/in.h>
3a5713da 12#include <lttng/lttng.h>
7f23e028 13#include <common/macros.h>
3a5713da 14
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15/* Destination type of lttng URI */
16enum lttng_dst_type {
17 LTTNG_DST_IPV4 = 1,
18 LTTNG_DST_IPV6 = 2,
19 LTTNG_DST_PATH = 3,
20};
21
22/* Type of lttng URI where it is a final destination or a hop */
23enum lttng_uri_type {
24 LTTNG_URI_DST, /* The URI is a final destination */
25 /*
26 * Hops are not supported yet but planned for a future release.
27 *
28 LTTNG_URI_HOP,
29 */
30};
31
32/* Communication stream type of a lttng URI */
33enum lttng_stream_type {
34 LTTNG_STREAM_CONTROL,
35 LTTNG_STREAM_DATA,
36};
37
38/*
39 * Protocol type of a lttng URI. The value 0 indicate that the proto_type field
40 * should be ignored.
41 */
42enum lttng_proto_type {
43 LTTNG_TCP = 1,
44 /*
45 * UDP protocol is not supported for now.
46 *
47 LTTNG_UDP = 2,
48 */
49};
50
51/*
52 * Structure representing an URI supported by lttng.
53 */
54struct lttng_uri {
55 enum lttng_dst_type dtype;
56 enum lttng_uri_type utype;
57 enum lttng_stream_type stype;
58 enum lttng_proto_type proto;
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59 uint16_t port;
60 char subdir[LTTNG_PATH_MAX];
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61 union {
62 char ipv4[INET_ADDRSTRLEN];
63 char ipv6[INET6_ADDRSTRLEN];
7f23e028 64 char path[LTTNG_PATH_MAX];
a4b92340 65 } dst;
7f23e028 66} LTTNG_PACKED;
a4b92340 67
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68int uri_compare(struct lttng_uri *uri1, struct lttng_uri *uri2);
69void uri_free(struct lttng_uri *uri);
70ssize_t uri_parse(const char *str_uri, struct lttng_uri **uris);
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71ssize_t uri_parse_str_urls(const char *ctrl_url, const char *data_url,
72 struct lttng_uri **uris);
ad20f474 73int uri_to_str_url(struct lttng_uri *uri, char *dst, size_t size);
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74
75#endif /* _LTT_URI_H */
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